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Finding the Third Proportional to 38,292 and 79,212

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Solution

The third proportional to 38,292 and 79,212 is: 163,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,292 : 79,212 = 79,212 : x
  2. Step 2: Convert to fraction form
    38,292/79,212 = 79,212/x
  3. Step 3: Cross multiply
    38,292x = 79,212 × 79,212
  4. Step 4: Simplify right side
    38,292x = 6,274,540,944
  5. Step 5: Solve for x
    x = 6,274,540,944/38,292
  6. Step 6: Final answer
    x = 163,860.36

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.